GJ.10, IN Ps yellowish dun, type 15 on the reconstruction, with small ponchito cancel, tiny defect on back (minor thin), superb front! (Image)

GJ.17, 1 Peso blue, worn impression, unused, without gum, very nice stamp with wide margins (Image)

GJ.21, 1 Peso rose, semi-clear impression, used, very nice (Image)

GJ.2a, 10c. light green, small figures, block of 18 stamps (2 of each type), with original gum, VF (Image)

GJ.4, 5c. dark red, large figures, VF (Image)

GJ.7, 3c. blue, complete sheet with 32 stamps, composition 2, disposition IV, VF quality (Image)

GJ.9, 3c. dark rose-lilac, block with the 8 types, with ellipse of 9 diagonal bars of Corrientes, minor faults, catalog value US$4,000, good opportunity! (Image)

GJ.36, 4c. Moreno, with "MUESTRA overprint, VF (Image)

GJ.38, 5c. Rivadavia, groundwork of crossed lines, with "CERTIFICADO" cancel of San Nicolás (reconstructed), VF (Image)

GJ.41, 15c. San Martín, groundwork of horizontal lines, used, VF (Image)

GJ.44, 90c. Saavedra, with "MUESTRA" overprint, VF (Image)

GJ.47, 8c. on 5c. provisional, used, VF (Image)

GJ.49, 8c. Rivadavia, rouletted, with rectangular datestamp of Monte Caseros (Corrientes), VF quality (Image)

GJ.50, 16c. Belgrano, rouletted, with "MUESTRA" ovpt., unused, without gum, VF (Image)

GJ.56, 25c. Alvear, with "MUESTRA" ovpt., VF (Image)

GJ.83, 3c. Juárez Celman, with "MUESTRA" ovpt., block of 4, with small thin on back and some stain spots (Image)

GJ.85, 5c. Rivadavia, small collar, in block of 4, with defects, good appearance, low start (Image)

GJ.86, 6c. Sarmiento, used, VF quality (Image)

GJ.87, 10c. Avellaneda, with "MUESTRA" ovpt., hinged, thin on back (Image)

GJ.90, 25c. Belgrano, with "MUESTRA" ovpt., block of 4, VF (Image)

GJ.90, 25c. Belgrano, with "MUESTRA" ovpt., unused, without gum, thin on back (Image)

GJ.91, 30c. Dorrego, with "MUESTRA" ovpt., block of 4, with some stain spots (Image)

GJ.92, 40c. Moreno, with "MUESTRA" ovpt., VF (Image)

GJ.92, 40c. Moreno, pair with double perforation variety, one diagonal, used, VF quality (Image)

GJ.93, 50c. Mitre, used, VF (Image)